Home / 462,979.73-697,939.72-432,117.40

Finding the Fourth Proportional to 462,979.73, 697,939.72 and 432,117.40

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Solution

The fourth proportional to 462,979.73, 697,939.72 and 432,117.40 is: 651,414.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,979.73 : 697,939.72 = 432,117.40 : x
  2. Step 2: Convert to fraction form
    462,979.73/697,939.72 = 432,117.40/x
  3. Step 3: Cross multiply
    462,979.73x = 697,939.72 × 432,117.40
  4. Step 4: Simplify right side
    462,979.73x = 301,591,897,163.13
  5. Step 5: Solve for x
    x = 301,591,897,163.13/462,979.73
  6. Step 6: Final answer
    x = 651,414.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.